TY  - BOOK
AU  - Petersdorf G. Robert
TI  - Harrisons principles of internal medicine. 
SN  - 007049603x
AV  - SPE RC 46 .H 323 1983 
PY  - 1983///
CY  - New York
PB  - McGraw-hill Book company
KW  - Principles of internal medicine
ER  -